LTC4007EGN Linear Technology, LTC4007EGN Datasheet - Page 21

• Manufacturer Part Number: LTC4007EGN
• Description: IC BATT CHARGER CTRLR 4A 24SSOP
• Manufacturer: Linear Technology

Specifications of LTC4007EGN

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 6 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP (0.150", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

APPLICATIONS INFORMATION
0V TO 20V
V
LOBAT
FAULT
SHDN
LOGIC
FLAG
DCIN
CHG
ACP
THERMISTOR
I
3A
CL
R10
100k
R11
100k
Figure 11. Circuit Application (16.8V/3A) to Automatically Trickle Charge Depleted Batteries
R12
100k
R9 32.4k 1%
C7
0.47μF
309k
1%
R
T
*
*
TIMING RESISTOR
(~2 HOURS)
3C4C
CHEM
LOBAT
I
ACP
SHDN
FAULT
CHG
FLAG
NTC
R
CL
T
LTC4007
TGATE
BGATE
INFET
PGND
PROG
DCIN
GND
CLN
CSP
CLP
BAT
ITH
C1
0.1μF
R7
6.04k
1%
INPUT SWITCH
C6
0.12μF
Q3
C5
0.0047μF
3.01k
1%
R4
52.3k
C4
15nF
R14
1%
R5 3.01k 1%
R6
26.7k
1%
Q4
4.99k
1%
R1
Q1
Q2
R
0.033Ω
1%
CL
4007 F11
*PIN OPEN
D1: MBRM140T3
Q1: Si4431ADY
Q2: FDC645N
Q4: 2N7002 OR BSS138
C2
20μF
D1
15μH 3A
L1
R
0.033Ω
SENSE
1%
LTC4007
C3
20μF
MONITOR
(CHARGING
CURRENT
MONITOR)
21
SYSTEM
LOAD
BAT
4007fc